Side bearing for cars



F. L. BABBEB ANB E. w. WEBB.

SIDE BEARING FOR CARS.

APPLICATION FILED DEC.9. l9l8.

Patented July 22, 1919.

2 SHEETS-SHEET 1.

THE COLUMBIA PLANDGRAPH co.v WASHINGTON. D., c.

F. L. BARBER AND E. W. WEBB.

SIDE BEARING FOR CARS. v APPLICATIOIN FILED DEC.9. 1918. 1,310,556, Patented July 22,1919.

2 SHEETS-SHEET 2.

THE COLUMBIA PLANDGRAHM CD.. WASHING'TBN, D.`

WED OFFC. y

FRANKLIN L. BARBER AND EDWIN WWEBR, ORCHICAGO, ILLINOIS, AssIeNoRs TO STANDARD VCAR TRUCK COMPANY, or CHICAGO, ILLINOIS, A CORPORATION or Nnvvl JERSEY.

SIDE BEARING FOR GARS.`

vSpecification of Letters Patent.

Patented July 22, i919.

Application lediEDcember 9, 1918. Serial No.`265,830.

To all whom ztmay concern:

Be it known that we, FRANKLIN -BAR- BRR and EmvINWV. WEBB, -citizensof the UnitedStates, residing-at Chicago, in the county of Cook and lState of Illinois, have invented certain new and useful Improve mentsin Side Bearings'for Carsgand Iwe do hereby declare the following to bea full,

clear, and .exact descriptionl of the-invention, such as will enable others skilled in;` the artto which it appertains to make andi use the same.

Our invention has for its object to provide an improved anti-friction side bearing for railway cars and, to this end, it con` sistsof 'the novel devices and combinations of devices hereinafter described 'and defined `in the claims.

In` the accompanying drawingawhich illustrate the invention, like characters indicate like parts throughout the several views. Referring to the drawings, Figure 1 is a plan viewofthe invention with. some parts broken i` away and"i some parts sectioned; v

Fig. -2j is a view partly in `longitudinal centrall section andv partly inelevation;

Fig. 3 is an end elevation;

Fig'l is la View principally iiitransv'ersevertical section; and

Fig.A 5 is a view corresponding toFig. 2,`

ing tothe body bolster 6. The top surfacesl of the housing 8 and ears 9 extend in an oblique plane toconform to the surface of the body bolster to which they are secured and have flat engagement therewith.

On the end walls of the housing 8, are inwardly projecting horizontal flanges oi` shoulders 11 on which is loosely supported a wearing plate 12, that completely closes the open top ofthe housing and is held thereby against horizontal movement.

.A castcover 13, for the housing 8, rests directlyV upon the wearing plate 12 and its lupperlsurface extends infthe saine oblique plane asthe upper surfaces offthefhousing 8 yand ears 9, soV as to bear directly against the-body bolsterl 6. The top ofthe cover 13=is cored, -for the sake of lightness Vand saving of material. The ends of the cover 13 terminate short of therespect'ive ends of the` housing 8, and cast therewith, at the bottom thereof,'arc small flanges 14, provided for a purpose that will presently ap pear.

The inner faces ofthesides of the housing 8 are recessed and, on the lower horizontali'sideflanges thereof, is formed apair of opposite wheel seats 15. These wheel seats 15, from their longitudinal centers,

have upwardly divergingcontours, atthe outer ends'of which `are wheel stops 1G. i

rlhe body bolster 6 and load carried there` by are supported from the truck bolster 7 by a rocker 17, as shown, in the form of a wide faced ringelike roller, with just enough end clearance to work freely withinl the v housing 8. Normally the roller 17 rests on a wearing plate 18 secured to the truc-k bolster 7 and the wearing plate 12 rests on theuppermost face of said roller and sup-v ports the-load directly through the cover 1,3, which is `entirely free from the hous- A =heavy carrier pin 19 is inserted axially through the ring-like roller 17 and has loosely yjournaled on its ends, with freedom forslight radial movement in respect thereto, a pair of wheels 2Ol These wheels 20 rest on the seats 15, are normally self-cen tered thereby and support thefcarrier pin 19 therefrom. When the load is supported' from the truck bolster by `the roller 17,said

roller is outiof contact with the pin 19 and, .as long as the weight of the car body continues on the roller, the motion is simple andsaid roller moves back and forth on the wearing plates.

In case the car body lifts, with respect to the car truck, the carrier pin 19 picks up the roller 17 and lifts the same out of contact with the wearing plate 18, at which time the upper surface of said pin and the axial opening in said roller become coperating fulcrum surfaces, which are located above the center of gravity of the roller. If the truck is on a curve at the time the roller 17 is lifted from the wearinoplate 18, said roller will swing with pendnulum-like action on the carrier pin 19 and, at the' same time, the wheels 20, which carry said pin being on the inclined surfaces of the Wheel seats 15, will roll back to the center thereof and self-center themselves. This self-centerin0` of the wheels 20, together with the added weight of the carrier pin 19 and pendulumlike action of the roller 17, will assist one another to return to normal position. It will thus be seen that the instant the roller 17 is lifted out of engagement with the wearing plate 18, the movable parts'of the side bearing are immediately returned to normal position for engagement with wearing plate 18, when the car body again assumes its normal position.

Formed in the side walls of the housing 8, are two pairs of alined openings 21, through any one of which the carrier pin 19 may be inserted endwise to and from a position within the housing- 8. The length of the carrier pin 19 is such as to snugly fit between the side walls of the housing 8, which hold the same against endwise movement. It will be noted that the axes of the openings 21 are located in an elevation suiliciently above the elevation of the normal position of the projected axis of the carrier pin 19, to prevent said pin from being accidentally displaced therethrough.

In assembling the improved anti-friction side bearing, the wheels 20 are first placed on the wheel seats 15 and then the roller 17 is placed in the housing 8 between the Wheels 20. Next, thecarier pin is inserted into one of the openings 21 and axially through, first, the adjacent wheel 20, then, the roller 17, and finally, the other wheel 20. A further axial movement of the carrier pin 17 will clear the respective opening 21 and allow the same to drop into the housing 8 to position the wheels 20 on the wheel seats 15. Next, the wearing plate 12 is placed on the lianges 11 and the cover 13 on said wearing plate. To hold the parts in assembled relation before the side bearing is secured to the body bolster, the upper edges of the end walls of the housing 8 are bent inward, as indicated by broken lines at 22 in Fig. 5, by pounding or otherwise, so as to overlie the flanges 11 on the ends of the cover 13, and thereby hold said cover in the housing.

What we claim is 1. In an anti-friction side bearing, the combination with upper and lower bearing plates, of a housing secured in respect to the upper bearing plate and having self-centering wheel seats, an interposed rocker normally supporting the upper bearing plate from the lower bearing plate and having an axial opening, a carrier pin extending through the axial opening .in the rocker, said rocker and carrier pin having normally separated fulcrum surfaces, the fulcrum sur face of the rockerbeing` located above the center of gravity thereof, and wheels supporting the carrier pin from the wheel seat.

2. In an anti-friction side bearing, the combination with upper and lower bearing plates, of a housing secured in respect to the upper bearing plate and having self-centering wheel seats, an interposed rocker normally supporting the upper bearing plate from the lower bearing plate and having an axial opening, a carrier pin extending through the axial opening in the rocker, said rocker and carrier pin having normally separated fulcrum surfaces, the fulcrum surface of the rocker beino located above the center of gravity thereof, and wheels loosely journaled on the carrier pin and supporting the same from the wheel seats.

3. In an anti-friction side bearing, the combination with upper and lower bearing plates, of a housing secured in respect to the upper bearing plate and having selfcentering wheel seats, an interposed rocker normally supporting the upper bearing plate from the lower bearing plate and having an axial opening, a carrier in'` extending through thev axial opening in the rocker, said rocker and carrier pin having normally separated fulcrum surfaces, the fulcrum surface of the rocker being located above the center of gravity thereof, and wheels loosely journaled on the carrier pin with freedom for limited radial movement with respect thereto and supporting .said pin from the wheel seats.

In testimony whereof we affix our signatures in presence of two witnesses.

FRANKLIN L. BARBER, EDWIN W. WEBB. Witnesses:

LEE W. BARBER, I-IARRIETT E. 01m.

Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patente.

Washington, IJ. C. 

